ISO/ INTERNATIONAL STANDARD IEC/IEEE 8802-3 Third edition 2021-02 AMENDMENT 12 2022-10 Telecommunications and exchange between information technology systems Requirements for local and metropolitan area networks - Part 3: Standard for Ethernet AMENDMENT 12: Maintenance #15: Power over Ethernet Telécommunications et échange entre systemes informatiques Exigences pour les reéseaux locaux et meétropolitains - Partie3:NormepourEthernet AMENDEMENT12:Maintenance #15:Alimentation électrique par cable Ethernet IEC IS0/IEC/IEEE 8802-3:2021/Amd.12:2022(E) IEEE @ IEEE 2021 IS0/IEC/IEEE 8802-3:2021/Amd.12:2022(E) COPYRIGHTPROTECTEDDOCUMENT IEEE2021 be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission.Permission can berequestedfrom IEEE attheaddressbelow. Institute of Electrical and Electronics Engineers, Inc 3 Park Avenue, New York NY10016-5997,USA Email: [email protected] Website: www.ieee.org Published in Switzerland ii @ IEEE 2021 - All rights reserved Authorized licensed use limited to: Shanghai Jiaotong University. Downloaded on October 18,2022 at 02:56:20 UTC from IEEE Xplore. Restrictions apply